Prevent from removing a cojo on a primary CO

[CarolineDenis]

Describe the bug
If you delete the primary CO of a consolidated COG through the CO form, the COG is saved without having a primary CO child.

To Reproduce
Steps to reproduce the behavior:
A)

• Create a CO
• Create a new parent consolidated COG
• Save
• Add another child to the COG
• Verify the CO is the primary record in the COG
• Delete the COG parent on the CO form
• Open the COG form, see that there is no primary record.

B)

• Delete a CO that is the primary record of a consolidated COG from the CO form.

Expected behavior
A) Add a save blocker that prevents user from deleting parent COG on CO form if it is the primary record.
B) Add a protect blockers, prevent deleting CO if used in COJO, need to delete from COJO side